CN110013044A - A method of barrel temperature is obtained by calculating KLD-2 cut-tobacco drier dehydrating amount - Google Patents
A method of barrel temperature is obtained by calculating KLD-2 cut-tobacco drier dehydrating amount Download PDFInfo
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- CN110013044A CN110013044A CN201910355829.6A CN201910355829A CN110013044A CN 110013044 A CN110013044 A CN 110013044A CN 201910355829 A CN201910355829 A CN 201910355829A CN 110013044 A CN110013044 A CN 110013044A
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/10—Roasting or cooling tobacco
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Abstract
The method that the invention discloses a kind of to obtain barrel temperature by calculating KLD-2 cut-tobacco drier dehydrating amount, barrel temperature is designed required for first design production, two groups of practical barrel temperatures and corresponding practical dehydrating amount are selected in chart, every degree barrel temperature is calculated to the water separation capability and the corresponding design dehydrating amount of design barrel temperature of pipe tobacco, by in the obtained design dehydration magnitude input KLD-2 cut-tobacco drier formulation library parameter of above-mentioned calculating, the required design barrel temperature of production is obtained.The present invention is not influenced by ambient pressure, steam source quality and online Moisture Meter accuracy, it avoids being not allowed to cause material head partially dry or partially damp problem occur due to setting, dehydrating amount corresponding to KLD-2 cut-tobacco drier difference barrel temperature can accurately be calculated, how much saliva point needs can be pushed into according to brand requirements are counter, the accuracy of KLD-2 drying process barrel temperature technological design can be improved, and is suitable for the KLD-2 cut-tobacco drier of any production capacity.
Description
Technical field
The invention belongs to technical field of tobacco processing, more particularly to a kind of pass through to calculate the acquisition of KLD-2 cut-tobacco drier dehydrating amount
The method of barrel temperature.
Background technique
During tobacco scrap prodn, raw material constantly changes by processes, the temperature and humidity such as heating, humidification, dry, cut tobacco
Internal chemical component also changes therewith.The variation of each procedure technology parameter can chemical component to cigarette and aesthetic quality
Generate certain influence.Cut-tobacco drier is the key equipment of cigaret primacy processing line, be mainly used for the pipe tobacco after chopping into
Row drying and processing makes its moisture reach technique requirement；The filling power of pipe tobacco is improved simultaneously, reduces cigarette consumption.Thin-plate cut-tobacco drier
It is one of cut-tobacco drier capital equipment, is widely used in many tobacco factories.The critical component of thin-plate cut-tobacco drier is combustion thin plate,
Combustion thin plate is by stainless sheet steel punch forming and welded forms.In production, the steam of certain pressure is in combustion thin plate
Portion's flowing, the temperature (barrel temperature) of combustion thin plate is promoted through heat exchange；By changing steam pressure, changes barrel temperature and come
Silk moisture is dried in control.Its advantage is that heating efficiency is high, temperature-responsive is fast, easily controllable.
KLD-2 cut-tobacco drier is as a kind of novel cut tobacco drying equipment, and compared with traditional thin-plate cut-tobacco drier, KLD-2 type dries
The thin plate of silk machine is equally divided into independent two sections from horizontal direction, and settable different drying temperature, parameter configuration is more flexible,
The moisture in the supplied materials pipe tobacco of high temperature and humidity is dried rapidly by the high temperature of combustion thin plate in cut-tobacco drier roller, and with high temperature
Hot wind takes away the moisture baked out, removes the miscellaneous taste in pipe tobacco, and pipe tobacco is made to reach technique requirement.The control of moisture is mainly by two
A aspect: first is that barrel temperature；Second is that hot wind and humidity discharging air quantity.Wherein, whether barrel temperature is stable for KLD-2 cut-tobacco drier
Moisture content of outlet has very big relationship, so wanting to produce qualified pipe tobacco, stablizing for barrel temperature is most important.
Currently, having on a small quantity about the document for improving the control of tobacco-dryer exit moisture in cut tobacco by the calculating of dehydrating amount, example
Such as: CN201510795862.2 discloses a kind of calculation method of thin-plate cut-tobacco drier dehydrating amount, which is characterized in that pass through the period
Pipe tobacco cumulative weight difference at pipe tobacco mean residence time, current period and upper period drum inlet, obtains in calculating roller
Inlet amount in current period roller, and pipe tobacco load is calculated according to residence time, roller inner product doses is obtained with this；
Roller inner product doses average moisture content is calculated simultaneously；Further according to before drying, it is dry after pipe tobacco butt quality weight conservation principle, obtain
To theory dehydrating amount needed for current period roller inner product doses；The beneficial effects of the present invention are: realizing to the buildup in roller
The real-time calculating of amount and buildup amount average moisture content improves so that the calculating of theoretical dehydrating amount has more high accuracy to thin
The real-time and accuracy of plate tobacco-dryer exit moisture in cut tobacco control.But the patent is when being based on stopping in inventory and cylinder
Between, moisture of the material in cylinder, moisture content of outlet computing, then constantly controlled by PID, be to provide calculation for computer
Method is to regulate and control moisture based on computer, is the Aided design carried out for equipment control.And about by barrel temperature, heat
The reasonable control of air temperature and hot wind air door controls cut-tobacco drier dehumidification ability to guarantee that the document of quality of tobacco shreds has on a small quantity, example
Such as: CN201610650900.X discloses a kind of drum-type cut-tobacco drier over-dried cut tobacco processing method comprising warm-up phase, material
Head the non steady control stage, prediction the strip stage, stable state drying stage, material tail control five stages of stage, using stage by stage by
Material water ratio is adjusted in the mode of step control.Warm-up phase, which is used, preheats equipment lower than formula temperature Δ T；Work as pipe tobacco
When weighing belt has material to continue through the time to be more than t0 before drying process, using material head non steady control parameter；It is exported when dry
It using prediction strip stage control parameter when material water ratio is greater than W1, is delayed after t2, into stable state drying stage, starts cylinder
Temperature, hot blast temperature and humidity discharging aperture PID are adjusted, and are delayed after t3, the stage are controlled into material tail, using material tail control parameter.
The present invention reduces that cut-tobacco drier is correct, tail portion pipe tobacco goes by the reasonable control to barrel temperature, hot blast temperature and hot wind air door
Wet ability reduces dry head, dry tail amount significant effect.But although the patent application discloses barrel temperature, but it does not disclose that
The relationship of barrel temperature and dehydrating amount does not provide yet and how to calculate dehydrating amount, and it needs to control parameters, makes
Process is obtained to complicate.
Since KLD-2 cut-tobacco drier is by the phase interaction of supplied materials moisture, ambient pressure, steam source quality and equipment capacity
With in the actual production process, KLD-2 cut-tobacco drier is automatically adjusted steaming by computer by moisture content of outlet and supplied materials moisture
Steam flow amount obtains corresponding barrel temperature.However, how we do not know computer since computer program is classified document
It calculates and regulation, while because being influenced by ambient pressure, steam source quality and online Moisture Meter accuracy, computer needs
Continuous adjustment barrel temperature, and taken a long time during barrel temperature adjustment.
In tobacco business, drying process as throwing key procedure always by enterprises pay attention, wherein barrel temperature
It is closely related with Sensory Quality of Cigarette, but in KLD-2 cut-tobacco drier use process, either in product design still in standard
In execution, required barrel temperature how is realized, there is presently no preferable methods.Therefore, develop that a kind of how to realize sets
The method of KLD-2 cut-tobacco drier barrel temperature needed for counting is particularly important.
Summary of the invention
The present invention is in order to solve the above technical problems, provide a kind of by calculating KLD-2 cut-tobacco drier dehydrating amount acquisition cylinder
The method of temperature.
In order to reach purpose described above, the invention adopts the following technical scheme:
A method of barrel temperature is obtained by calculating KLD-2 cut-tobacco drier dehydrating amount, comprising the following steps:
Step 1 selectes the KLD-2 cut-tobacco drier of production line or test wire, designs barrel temperature T required for design production；
Step 2 checks the chart of KLD-2 cut-tobacco drier barrel temperature He practical dehydrating amount in Central Control Room, selectes two
Practical barrel temperature T1, the T2 of group and corresponding practical dehydrating amount H1, H2；
Step 3 calculates every using practical barrel temperature T1, T2 and the relevant formula of corresponding practical dehydrating amount H1, H2
Barrel temperature is spent to the water separation capability △ H of pipe tobacco；
Step 4 calculates the corresponding design dehydrating amount H of above-mentioned design barrel temperature T by formula；
The obtained design of above-mentioned calculating is dehydrated by step 5 on the KLD-2 cut-tobacco drier of corresponding production line or test wire
It measures in H value input KLD-2 cut-tobacco drier formulation library parameter, when KLD-2 cut-tobacco drier is transferred to production status from standby mode, barrel temperature
For the design barrel temperature T needed for producing.
Further, in step 1, T=130 DEG C~170 DEG C of the design barrel temperature.
Further, in step 2, described two groups of practical barrel temperature T1, T2 meet | T1-T2 | >=3 DEG C.
Further, in step 3, the calculation formula of the water separation capability △ H is △ H=| H1-H2 |/| T1-T2 |.
Further, in step 4, the calculation formula of the design dehydrating amount H are as follows: H=H1+ △ H × (T-T1) or H=
H2+△H×(T-T2)。
Further, in step 4, on the KLD-2 cut-tobacco drier of production line or test wire, dehydrating amount and barrel temperature are one
One-to-one correspondence.
Further, in step 5, on production line or test wire, before KLD-2 cut-tobacco drier is transferred to production status, setting
The hot blast temperature of KLD-2 cut-tobacco drier is the temperature that chart obtains in step 2.
Further, in step 3, the water separation capability △ H is indicated in the temperature working range of design barrel temperature T,
The water that the temperature of every 1 DEG C of cylinder can remove.
Further, in step 2, the chart meets: hot blast temperature remains unchanged, stable production process.
Since present invention employs above technical schemes, have the advantages that
(1) the application obtains KLD-2 cut-tobacco drier barrel temperature and corresponding dehydrating amount by chart, first designs one
Design barrel temperature needed for a production calculates corresponding dehydrating amount using the design barrel temperature, by calculating KLD-2
Then cut-tobacco drier dehydrating amount is brought dehydrating amount in KLD-2 cut-tobacco drier formulation library parameter into, final to obtain the required cylinder temperature of production
Degree obtains the barrel temperature of production requirement by the calculating of dehydrating amount, avoid since setting inaccuracy causes to adjust repeatedly
Whole and adjustment time is too long and influences the abnormal problem of moisture content of outlet stability.
(2) the method for the present invention combination cut-tobacco drier chart obtains KLD-2 cut-tobacco drier barrel temperature and corresponding dehydration
Amount, is not influenced by ambient pressure, steam source quality and online Moisture Meter accuracy, can accurately calculate KLD-2 baking
Dehydrating amount corresponding to the different barrel temperatures of silk.
(3) the calculated dehydrating amount of the method for the present invention, the dehydrating amount being computed out inputs in formulation library, to obtain brand
Required barrel temperature is avoided since setting inaccuracy causes material head partially dry or partially damp abnormal problem occur；It can be according to life
Producing cigarette brand will negate how much be pushed into saliva point needs, can improve the accurate of KLD-2 drying process barrel temperature technological design
Property, and it is suitable for the KLD-2 cut-tobacco drier of any production capacity.
(4) the method for the present invention can accurately calculate the dehydrating amount of KLD-2 cut-tobacco drier, and calculated dehydrating amount brings formula into
Behind library, the barrel temperature of acquisition and original design value deviation are no more than 1 DEG C, and accuracy is higher, therefore, can be according to different KLD-
2 cut-tobacco drier brands design dehydrating amount table corresponding with barrel temperature, provide technical support for production line adjustment.
(5) for the cigarette brand of fixed KLD-2 cut-tobacco drier barrel temperature, according to the prediction of drying process supplied materials moisture
(range), flow of tobacco corresponding to the corresponding dehydrating amount of barrel temperature for calculating cigarette brand requirement by the method for the present invention,
Foundation is provided for the accurate adjustment of flow of tobacco.
(6) it is one-to-one relationship present invention firstly discloses dehydrating amount and barrel temperature, and is put forward for the first time and passes through dehydration
Amount, which calculates, obtains barrel temperature.This method can accurately design barrel temperature on production cigarette brand, can be existing
Barrel temperature needed for precisely obtaining the production of certain cigarette product in Equipment Foundations.
Detailed description of the invention
In order to illustrate more clearly of present example or technical solution in the prior art, to embodiment or will show below
There is in technical description required attached drawing do simply to introduce, it should be apparent that, the accompanying drawings in the following description is only the present invention
Some examples to those skilled in the art, can also be attached according to these under the premise of not paying creativeness
Figure obtains other attached drawings:
Fig. 1 is a kind of process flow chart that barrel temperature method is obtained by calculating KLD-2 cut-tobacco drier dehydrating amount of the application.
Specific embodiment
Specific embodiments of the present invention will be described in further detail below, but the invention is not limited to these realities
Mode is applied, it is claimed to still fall within the claims in the present invention for any improvement or replacement on the present embodiment essence spirit
Range.
Embodiment 1
A method of barrel temperature is obtained by calculating KLD-2 cut-tobacco drier dehydrating amount, comprising the following steps:
One, the KLD-2 cut-tobacco drier of 500kg/h test wire is selected on March 26th, 2019；
Two, dehydrating amount and barrel temperature relationship calculating (apply formula: △ H=| H1-H2 |/| T1-T2 |)；
The chart of two batches is transferred in Central Control Room, and under stable state, hot blast temperature is 115 DEG C；It obtains practical
T1=156 DEG C of barrel temperature and corresponding practical dehydrating amount H1=71L/h, T2=149 DEG C of practical barrel temperature and corresponding reality
Border dehydrating amount H2=62L/h；Water separation capability △ H=is calculated by practical barrel temperature and practical dehydrating amount | H1-H2 |/| T1-
T2 |:
I.e. △ H=(| 71-62 |/| 156-149 |) (L/h)/DEG C=8/7 (L/h)/DEG C=1.286 (L/h)/DEG C；
Three, it calculates design dehydrating amount H corresponding to design barrel temperature T and (applies formula: H=H1+ △ H × (T-T1) or H
=H2+ △ H × (T-T2))；
T=142 DEG C of design barrel temperature needed for designing a production, is reference with T1=156 DEG C of practical barrel temperature
Object calculates the corresponding design dehydrating amount H of 142 DEG C of design barrel temperature T:
That is H=H1+ △ H × (T-T1)=[71+1.286 × (142-156)] L/h=(71-18) L/h=53L/h；
Likewise, being reference object with T2=149 DEG C of practical barrel temperature, it is corresponding to calculate 142 DEG C of design barrel temperature T
Design dehydrating amount H:
H=H2+ △ H × (T-T2)=[62+1.286 × (142-149)] L/h=(62-9) L/h=53L/h；
From calculated result as can be seen that the practical barrel temperature calculated result of two reference objects is consistent.
Four, actual verification
142 DEG C of design barrel temperatures, on March 27th, 2019, in test wire whether are corresponded to for verifying design dehydrating amount 53L/h
It is tested accordingly；The dehydrating amount setting value in KLD-2 cut-tobacco drier formulation library parameter is set as in 500kg/h test wire
53L/h, hot blast temperature are set as 115 DEG C, and when cylinder is transferred to production status by standby mode, barrel temperature is pre- from 130 DEG C
Temperature rapid increase to 142 DEG C for heat.
Embodiment 2
A method of barrel temperature is obtained by calculating KLD-2 cut-tobacco drier dehydrating amount, comprising the following steps:
One, the KLD-2 cut-tobacco drier of Kweiyang factory 3000kg/h is selected on March 13rd, 2019；
Two, dehydrating amount and barrel temperature relationship calculating (apply formula: △ H=| H1-H2 |/| T1-T2 |)；
The chart of two batches is transferred in Central Control Room, and under stable state, hot blast temperature is 110 DEG C；It obtains practical
T1=140 DEG C of barrel temperature and corresponding practical dehydrating amount H1=287L/h, T2=143 DEG C of practical barrel temperature and corresponding reality
Border dehydrating amount H2=300L/h.Water separation capability △ H=is calculated by practical barrel temperature and practical dehydrating amount | H1-H2 |/|
T1-T2 |:
I.e. △ H=(| 287-300 |/| 140-143 |) (L/h)/DEG C=13/3 (L/h)/DEG C=4.333 (L/h)/DEG C；
Three, it calculates design dehydrating amount H corresponding to design barrel temperature T and (applies formula: H=H1+ △ H × (T-T1) or H
=H2+ △ H × (T-T2))；
T=145 DEG C of design barrel temperature needed for designing a production, is reference with T1=140 DEG C of practical barrel temperature
Object calculates the corresponding design dehydrating amount H of 145 DEG C of design barrel temperature T:
That is H=H1+ △ H × (T-T1)=[287+4.333 × (145-140)] L/h=(287+21.67) L/h=
308.67L/h≈309L/h；
Likewise, being reference object with T2=143 DEG C of practical barrel temperature, it is corresponding to calculate 142 DEG C of design barrel temperature T
Design dehydrating amount H:
H=H2+ △ H × (T-T2)=[300+4.333 × (145-143)] L/h=(300+8.67) L/h=308.67L/
h≈309L/h；
From calculated result as can be seen that the practical barrel temperature calculated result of two reference objects is consistent；
Four, actual verification
145 DEG C of design barrel temperatures, on March 14th, 2019, in Kweiyang whether are corresponded to for verifying design dehydrating amount 309L/h
Factory's 3000kg/h production line is tested accordingly；Dehydrating amount setting value in KLD-2 cut-tobacco drier formulation library parameter is set as
309L/h, hot blast temperature are set as 110 DEG C, and when cylinder is transferred to production status by standby mode, barrel temperature is pre- from 130 DEG C
Temperature rapid increase to 145 DEG C for heat.Finally, pipe tobacco production terminates by the gross, and KLD-2 cut-tobacco drier barrel temperature is at 144 DEG C~145 DEG C
Between, 145 DEG C of barrel temperature maximum value, 144 DEG C of minimum value, very poor 1 DEG C of average value, 144.8 DEG C of average value, the cylinder with design
145 DEG C of temperature is more coincide, and barrel temperature fluctuates the historical data for being significantly less than lookup.
Comparative example 1
On March 13rd, 2019, when searching historical data, we are simultaneously to Kweiyang factory 3000kg/h production line and embodiment
2 five, same brand pipe tobacco batches, KLD-2 cut-tobacco drier are automatically adjusted by computer by moisture content of outlet and supplied materials moisture
Steam flow has carried out data statistics to the barrel temperature of acquisition, moisture content of outlet stability to obtain corresponding barrel temperature,
As a result are as follows: 1, batch inner cylinder temperature fluctuation: 4 DEG C of minimum zone, 6 DEG C of maximum magnitude；2, barrel temperature fluctuates between criticizing: maximum value is
149 DEG C, 140 DEG C of minimum value；3, barrel temperature mean value between criticizing: 147.3 DEG C of average value maximum value, 144.1 DEG C of average value minimum value,
Very poor 3.2 DEG C of average value.
In conclusion the present invention obtains the barrel temperature of production requirement by the calculating of dehydrating amount, not by ambient pressure,
The influence of steam source quality and online Moisture Meter accuracy can accurately calculate KLD-2 and dry silk difference barrel temperature institute
Corresponding dehydrating amount, avoid influences moisture content of outlet and stablizes since setting inaccuracy causes to adjust repeatedly and adjustment time is too long
Property abnormal problem, avoid since setting inaccuracy causes material head partially dry or partially damp abnormal problem occur；The present invention calculates
After dehydrating amount out brings formulation library into, the barrel temperature of acquisition and original design value deviation are no more than 1 DEG C, and accuracy is higher, because
This, can produce brand according to different KLD-2 cut-tobacco driers, design dehydrating amount table corresponding with barrel temperature, adjust for production line
It can be tobacco stream that technical support, which is provided, in conjunction with the calculation formula between flow of tobacco, supplied materials moisture, moisture content of outlet and dehydrating amount
The accurate adjustment and the accurate realization of barrel temperature of amount provide foundation.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, nothing
By from the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended
Claim rather than above description limit, it is intended that by the institute in the meaning and scope for the equivalent loins for falling in claim
It changes and includes within protection scope of the present invention.
Claims (9)
1. a kind of method for obtaining barrel temperature by calculating KLD-2 cut-tobacco drier dehydrating amount, which is characterized in that including following step
It is rapid:
Step 1 selectes the KLD-2 cut-tobacco drier of production line or test wire, designs barrel temperature T required for design production；
Step 2 checks the chart of KLD-2 cut-tobacco drier barrel temperature He practical dehydrating amount in Central Control Room, selectes two groups of realities
Border barrel temperature T1, T2 and corresponding practical dehydrating amount H1, H2；
Step 3 calculates every degree cylinder using practical barrel temperature T1, T2 and the relevant formula of corresponding practical dehydrating amount H1, H2
Water separation capability △ H of the temperature to pipe tobacco；
Step 4 calculates the corresponding design dehydrating amount H of above-mentioned design barrel temperature T by formula；
Step 5, on the KLD-2 cut-tobacco drier of corresponding production line or test wire, by the obtained design dehydrating amount H of above-mentioned calculating
In value input KLD-2 cut-tobacco drier formulation library parameter, when KLD-2 cut-tobacco drier is transferred to production status from standby mode, barrel temperature is
Design barrel temperature T needed for production.
2. a kind of method for obtaining barrel temperature by calculating KLD-2 cut-tobacco drier dehydrating amount according to claim 1, special
Sign is: in step 1, T=130 DEG C~170 DEG C of the design barrel temperature.
3. a kind of method for obtaining barrel temperature by calculating KLD-2 cut-tobacco drier dehydrating amount according to claim 1, special
Sign is: in step 2, described two groups of practical barrel temperature T1, T2 meet | T1-T2 | >=3 DEG C.
4. a kind of method for obtaining barrel temperature by calculating KLD-2 cut-tobacco drier dehydrating amount according to claim 1, special
Sign is: in step 3, the calculation formula of the water separation capability △ H is △ H=| H1-H2 |/| T1-T2 |.
5. a kind of method for obtaining barrel temperature by calculating KLD-2 cut-tobacco drier dehydrating amount according to claim 1, special
Sign is: in step 4, the calculation formula of the design dehydrating amount H are as follows: H=H1+ △ H × (T-T1) or H=H2+ △ H × (T-
T2)。
6. a kind of method for obtaining barrel temperature by calculating KLD-2 cut-tobacco drier dehydrating amount according to claim 1, special
Sign is: in step 4, on the KLD-2 cut-tobacco drier of production line or test wire, dehydrating amount is to close correspondingly with barrel temperature
System.
7. a kind of method for obtaining barrel temperature by calculating KLD-2 cut-tobacco drier dehydrating amount according to claim 1, special
Sign is: in step 5, on production line or test wire, before KLD-2 cut-tobacco drier is transferred to production status, setting KLD-2 cut-tobacco drier
Hot blast temperature be step 2 in chart obtain temperature.
8. a kind of method for obtaining barrel temperature by calculating KLD-2 cut-tobacco drier dehydrating amount according to claim 1, special
Sign is: in step 3, the water separation capability △ H is indicated in the temperature working range of design barrel temperature T, every 1 DEG C of cylinder
The water that can remove of temperature.
9. a kind of method for obtaining barrel temperature by calculating KLD-2 cut-tobacco drier dehydrating amount according to claim 1, special
Sign is: in step 2, the chart meets: hot blast temperature remains unchanged, stable production process.
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| CN113778012A (en) * | 2021-09-17 | 2021-12-10 | 安徽中烟工业有限责任公司 | Cut tobacco dryer steam use control method |
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| CN110771935A (en) * | 2019-10-25 | 2020-02-11 | 贵州中烟工业有限责任公司 | Calculation method of 'dehydration standard working point' of KLD-2 cut-tobacco drier |
| CN112220093A (en) * | 2020-09-28 | 2021-01-15 | 福建中烟工业有限责任公司 | Method and device for drying tobacco shreds with constant water loss and method and system for manufacturing tobacco shreds |
| CN113778012A (en) * | 2021-09-17 | 2021-12-10 | 安徽中烟工业有限责任公司 | Cut tobacco dryer steam use control method |
| CN113892672A (en) * | 2021-09-30 | 2022-01-07 | 山东中烟工业有限责任公司 | Method and system for controlling parameter setting of roller cut-tobacco drier based on incoming material state |
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